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4) How the telephone works? Draw the structure of a simple telephone system and explain the operations when a telephone call is made. 5)
4) How the telephone works? Draw the structure of a simple telephone system and explain the operations when a telephone call is made. 5) What are the E2, T2 communication links? Explain them briefly. 6) Explain time division multiplexing briefly? 7) What is echo on telephone lines? How do we suppress echo? 8) What is REED RELAY? How does it work?
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4 working of telephone when a person speaks into a telephone the sound waves created by his voice enter the mouthpiece An electric current carriers the sound to the telephone of the person he is talki...
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Cambridge International AS And A Level Physics Coursebook
Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside
3rd Edition
1108859038, 978-1108859035
